2856. In addition to bringing big-jet ranges to mid-size airplanes, the 787 will provide airlines with unmatched fuel efficiency ,resulting in exceptional environmental performance

507. Block to block time is the amount of elapsed time between an aircraft leaving the departure ramp for the purpose of flight and its reaching the arrival ramp at the end of the flight

506. Aerodynamic forces are the basic forces acting on an aircraft in flight that are caused by the movement of the air over the surfaces Thurst acts forward, drag acts rearward, lift acts vertically upward and weight acts vertically downward

505. Procedures contain instructions that tell you how to do a task Long sentences are not easy to understand In STE, the maximum length of a sentence for procedures is 20 words

504. 在钢表面上涂油。

503. 遵守安全说明

502. 确保阀门可以运行。

501. 维修手册的索引应与第20部分的基本标准分类兼容。然而,制造商可以省略不适用于其产品的系统或章节,或者在可行的情况下合并系统或章节。

500. APU火警系统在驾驶舱内启动与发动机相同的火警警报。

499. 工具随后可用于安装程序。

498. 操作后绞车的人员B必须锁紧固定装置。